CVE-2017-11747

NameCVE-2017-11747
Descriptionmain.c in Tinyproxy 1.8.4 and earlier creates a /run/tinyproxy/tinyproxy.pid file after dropping privileges to a non-root account, which might allow local users to kill arbitrary processes by leveraging access to this non-root account for tinyproxy.pid modification before a root script executes a "kill `cat /run/tinyproxy/tinyproxy.pid`" command.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2163-1
Debian Bugs870307

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tinyproxy (PTS)buster1.10.0-2+deb10u1fixed
bullseye1.10.0-5fixed
bookworm1.11.1-2.1fixed
sid, trixie1.11.1-3fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
tinyproxysourcejessie1.8.3-3+deb8u1DLA-2163-1
tinyproxysourcestretch1.8.4-3~deb9u2
tinyproxysource(unstable)1.10.0-1870307

Notes

[wheezy] - tinyproxy <no-dsa> (Minor issue)
https://github.com/tinyproxy/tinyproxy/issues/106

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